198237654

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{256121}}^1$

素因数の和:256172

約数の個数: 24

約数和(自身を含む): 439505352

約数和(自身を除く): 241267698

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 256121, 512242, 768363, 1536726, 2305089, 4610178, 11013203, 22026406, 33039609, 66079218, 99118827, 198237654]

約数ペア:

[(1, 198237654), (2, 99118827), (3, 66079218), (6, 33039609), (9, 22026406), (18, 11013203), (43, 4610178), (86, 2305089), (129, 1536726), (258, 768363), (387, 512242), (774, 256121)]